Hi. I would really appreciate any comments from a pilot or engineer - to provide a technical critique a 9 minute video "Buoyancy explains how planes fly : A synopsis" https://vimeo.com/185759671    

Is there anything that can disprove this theory on a technical basis? 

If anyone  is interested, I counted 11 explanations for how planes fly. None of which are supported by conclusive scientific experiments.  https://youtu.be/Q20VEhiFOsU 

big thanks

Nick